CVE-2021-36710
HIGHToaruOS 1.99.2 - Privilege Escalation via MMU and GDT Manipulation
Title source: llmDescription
ToaruOS 1.99.2 is affected by incorrect access control via the kernel. Improper MMU management and having a low GDT address allows it to be mapped in userland. A call gate can then be written to escalate to CPL 0.
References (1)
Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/mehsauce/kowasuos/blob/master/exploits/kowasu-sysfunc-strikes-back.c
Scores
CVSS v3
8.8
EPSS
0.0034
EPSS Percentile
26.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Details
CWE
CWE-668
Status
published
Products (1)
toaruos/toaruos
1.99.2
Published
Jun 08, 2022
Tracked Since
Feb 18, 2026